What are the most popular routes to Treto?
| Santander - Treto | Average priceTHB 411 | Average duration1h 40m | Daily departures21 | |
| Laredo - Treto | Average priceTHB 213 | Average duration10m | Daily departures15 | |
| Santoña - Treto | Average priceTHB 213 | Average duration20m | Daily departures7 | |
| Gama - Treto | Average priceTHB 213 | Average duration8m | Daily departures8 | |
| Maliano - Treto | Average priceTHB 268 | Average duration53m | Daily departures3 | |
